... :cars,Bath,Gate,Hydropneumatic,Electronics 3.Main products:O-Ring.X Ring V-Ring 1. material:NBR,EPDM,SI,FKM(V270M ... Compressor in air conditioning, etc.3. Main products: O-Ring.X Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil ... Brittle Low-Temperature Test Bed, Aging Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector.Production Equipments Rubber Preforming Machine, Rubber ...